Civil engineer objective questions – Construction Management (Section-5)

1. Latest start of activity is always

a ) less than or equal to latest event time of preceeding node

b ) more than or equal to latest events time of preceeding node

c ) equal to latest event time of preceeding node

d ) none of the above

2. Latest start time is the

a ) latest time by which an activity can be started without delaying the project

b ) latest time by which an activity can be completed without delaying the project

c ) latest time the event can occur

d ) any of the above

3. The difference between the total float and the free float is termed as

a ) start float

b ) finish float

c ) interfering float

d ) independent float

4. Critical path is

a ) shortest path for the earliest completion of the project

b ) longest path of the network from the first event to the last event

c ) ideal path by preceeding along which the project can be completed as per the schedule

d ) the path which takes into account the completion of all the parallel activities

5. The minimum number of critical path in a net work should be

a ) 0

b ) 1

c ) 2

d ) 3

6. Critical path network helps the engineer to

a ) concentrate his attention on critical activitirs

 b ) divert the different resourced from non – critical activities to critical activities

c ) be cautious for avoiding any delay in the critical activities

d ) all of the above

7. According to Fulkerson’s , the correct event numbers corresponding to event A , B , C , D , E of the network shown in figure

a ) 1 , 2 , 3 , 4 , 5 , 6 and 7 respectively

b ) 1 , 3 , 2 , 4 , 5 , 6 and 7 respectively

c ) 1 , 2 , 3 , 5 , 6 , 4 and 7 respectively

d ) none of the above

8. A fictious activity with zero duration and no cost used to maintain the sequential order of the activities in network is known as a

a ) restraint

b ) dummy activity

c ) event

d ) all of the above

9. Earliest finish time of an activity is always

a ) equal to or more than earliest event

b ) equal to or less than earlies t event time of the following node

c ) more than earliest time of the following node

d ) none of the above

10. In CPM , ” Forward Pass ” and ” Backward Pass ” are used to calculate…….respectively .

a ) earliest expected time and latest allowable time

b ) latest allowable time and earliest expected time

c ) to check float and slack

d ) all of the above

11. Float is

a ) the earliest time by which an activity may commence

b ) latest time by which an activity can be delayed without hampering the completion of the project

c ) latest allowable time – earliest expected time

d ) time available – time required for an activity

12. Positive float can occur when it is

a ) sub – critical activity

b ) critical activity

c ) super – critical activity

d ) normal activity

13. Negative float can occur when it is

a ) sub – critical activity

b ) critical activity

c ) super – critical activity

d ) normal activity

14. Which of the following in a CPM network activity ?

a ) concrete cured

b ) walls plastered

c ) excavation for foundation

d ) all of the above

15. The square root of the variance is known as

a ) deviation

b ) standard deviation

c ) mode

d ) none of the above

16. The variance will be zero if

a ) each individual deviation is zero

b ) sum of deviation is zero

c ) standard deviation is zero

d ) none of the above

17. Positive slack indicates

a ) ahead of schedule condition

b ) behind the schedule condition

c ) on schedule condition

d ) none of the above

18. Negative slack indicates

a ) ahead of schedule condition

b ) behind the schedule condition

c ) on schedule condition

d ) none of the above

19. Variance is

a ) Sum of time duration for various job number of jobs/numbers of job

b ) difference between the time under consideration and mean time

c ) mean of squared deviations

d ) square root of mean of squared deviation

20. Total float for any activity is defined as the difference between

a ) its latest finish time and earliest start time for its successor activity

b ) its latest start time and earliest start time

c ) its latest start time and earliest finish time

d ) its earliest finish time and earliest start time for its successor activity

21. Free float for any activity is defined as the difference between

a ) its latest start time and earliest start time for its successor activity

b ) its latest start time and earliest start time

c ) its latest finish time and earliest start time for its successor activity

d ) its earliest finish time and earliest start time for its successor activity

22. The time by which a particular activity may be delayed without affecting the preceeding and succeeding activities is known as

a ) total float

b ) free float

c ) interfering float

d ) independent float

23. The estimated time required to complete an activity is termed as

a ) event

b ) duration

c ) active time

d ) float

24. Free float is mainly used to

a ) identify the activities which can be delayed without affecting the total float of preceeding activity

b ) identify the activities , which can be delayed without affecting the total float of succeeding activity

c ) establish priorities

d ) identify the activities which can be delayed without affecting the total float of either the preceeding or succeeding activities

25. Whenever activity has zero total float , then

a ) free float of the activity must be zero but independent float need not be zero

b ) independent float must be zero but free float need not be zero

c ) free float and independent float both must be zero

d )  free float and independent float both need not be zero

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